The married woman who lives next door is always quiet, reserved, and modest. Whenever he greets her or talks to her, she only responds in a low voice. One day, while the neighbor is browsing social media on his smartphone, he comes across a photo of a woman's back that looks vaguely familiar, amongst the lewd accounts of truly outrageous housewives who say things like "Looking for a sex friend" and "Lonely because my husband is away." "This... looks like the quiet wife next door...?"